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cxgb (4)
  • >> cxgb (4) ( FreeBSD man: Специальные файлы /dev/* )

  • BSD mandoc
     

    NAME

    
    
    cxgb
    
     - Chelsio T3 10 Gigabit Ethernet adapter driver
    
     
    

    SYNOPSIS

    To compile this driver into the kernel, place the following lines in your kernel configuration file:
    device firmware device cxgb

    To load the driver as a module at boot time, place the following line in loader.conf5:

    if_cxgb_load="YES"
    
     

    DESCRIPTION

    The driver supports Transmit/Receive checksum offload, Jumbo Frames, TCP segmentation offload (TSO), Large Receive Offload (LRO), VLAN hardware insertion / extraction, and VLAN checksum offload. For further hardware information, see http://www.chelsio.com/

    For questions related to hardware requirements, refer to the documentation supplied with your Chelsio T3 adapter. All hardware requirements listed apply to use with Fx .

    Support for Jumbo Frames is provided via the interface MTU setting. Selecting an MTU larger than 1500 bytes with the ifconfig(8) utility configures the adapter to receive and transmit Jumbo Frames. The maximum MTU size for Jumbo Frames is 9000.

    For more information on configuring this device, see ifconfig(8).  

    HARDWARE

    The driver supports 10 Gigabit and 1 Gigabit Ethernet adapters based on the T3 and T3B chipset:

     

    LOADER TUNABLES

    Tunables can be set at the loader(8) prompt before booting the kernel or stored in loader.conf5.

     

    DIAGNOSTICS

    "cxgb%d: Unable to allocate bus resource: memory"
    A fatal initialization error has occurred.
    "cxgb%d: Unable to allocate bus resource: interrupt"
    A fatal initialization error has occurred.
    "cxgb%d: Could not find firmware image %s"
    The appropriate firmware kld module was not installed. This is a fatal initialization error.

     

    SUPPORT

    For general information and support, go to the Chelsio support website at: http://www.chelsio.com/

    If an issue is identified with the released source code on the supported kernel with a supported adapter, email the specific information related to the issue to Aq support@chelsio.com .  

    SEE ALSO

    altq(4), arp(4), netintro(4), ng_ether4, ifconfig(8)  

    HISTORY

    The device driver first appeared in Fx 6.3 and Fx 7.0 .  

    AUTHORS

    An -nosplit The driver was written by An Kip Macy Aq kmacy@FreeBSD.org with substantial support from An Scott Long Aq scottl@FreeBSD.org .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    HARDWARE
    LOADER TUNABLES
    DIAGNOSTICS
    SUPPORT
    SEE ALSO
    HISTORY
    AUTHORS


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